diff options
Diffstat (limited to 'thirdparty/meshoptimizer/overdrawanalyzer.cpp')
| -rw-r--r-- | thirdparty/meshoptimizer/overdrawanalyzer.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/thirdparty/meshoptimizer/overdrawanalyzer.cpp b/thirdparty/meshoptimizer/overdrawanalyzer.cpp index 8b6f254134..31cf6f146a 100644 --- a/thirdparty/meshoptimizer/overdrawanalyzer.cpp +++ b/thirdparty/meshoptimizer/overdrawanalyzer.cpp @@ -53,11 +53,10 @@ static void rasterize(OverdrawBuffer* buffer, float v1x, float v1y, float v1z, f // flip backfacing triangles to simplify rasterization logic if (sign) { - // flipping v2 & v3 preserves depth gradients since they're based on v1 + // flipping v2 & v3 preserves depth gradients since they're based on v1; only v1z is used below float t; t = v2x, v2x = v3x, v3x = t; t = v2y, v2y = v3y, v3y = t; - t = v2z, v2z = v3z, v3z = t; // flip depth since we rasterize backfacing triangles to second buffer with reverse Z; only v1z is used below v1z = kViewport - v1z; |